package com.ketai.edu.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@Configuration
public class CorsConfig {
    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration=new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");//1.允许任何域名使用
        corsConfiguration.addAllowedHeader("*");//2.允许任何头
        corsConfiguration.addAllowedMethod("*");//3.允许任何方法(post,get等)
        return corsConfiguration;
    }
    @Bean
    public CorsFilter corsFilter(){
        UrlBasedCorsConfigurationSource source=new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**",buildConfig());//4
        return  new CorsFilter(source);
    }

}
